Comparison

Digital Electronics+ vs OhmQuest

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Digital Electronics+

Features
Read full description

Master Digital Electronics with Fun and Engaging Quizzes! Dive into the world of Digital Electronics with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. Topics Covered: Number Systems and Codes: - Binary, Octal, Decimal, Hexadecimal systems - Binary arithmetic - Signed numbers, 1’s and 2’s complement - Gray code, BCD, ASCII Logic Gates and Boolean Algebra: - Basic gates: AND, OR, NOT, NAND, NOR, XOR, XNOR - Truth tables and logic symbols - Boolean expressions - Laws and theorems of Boolean algebra - DeMorgan’s Theorems Simplification Techniques: - Karnaugh Maps (K-maps) - Quine-McCluskey method - Logic minimization for combinational circuits Combinational Logic Circuits: - Adders, subtractors, comparators - Multiplexers, demultiplexers - Encoders, decoders - Logic implementation using gates Arithmetic Logic Circuits: - Binary adders and subtractors (half and full) - Carry-lookahead adder - ALU basics Flip-Flops and Latches: - SR, D, JK, T flip-flops - Edge-triggered and level-triggered circuits - Master-slave configurations Sequential Logic Circuits: - Counters (asynchronous, synchronous, up/down) - Shift registers - Timing diagrams - Applications of sequential logic Clocking and Timing Analysis: - Clock signals and waveforms - Propagation delay, setup and hold time - Metastability Finite State Machines (FSMs): - Moore and Mealy machines - State diagrams and tables - Design and implementation of FSMs Memory and Storage Devices: - RAM (SRAM, DRAM), ROM, EEPROM, Flash - Memory organization and interfacing - Address decoding Programmable Logic Devices: - PLAs, PALs, GALs - Field-Programmable Gate Arrays (FPGAs) - CPLDs and their applications Digital System Design with VHDL/Verilog: - Introduction to Hardware Description Languages - Basic syntax and structure - Combinational and sequential modeling - Simulation and synthesis Data Converters: - Digital-to-Analog Converters (DACs) - Analog-to-Digital Converters (ADCs) - Performance parameters (resolution, accuracy, speed) Timing and Clock Management: - Crystal oscillators and clock generators - Phase-Locked Loops (PLLs) - Clock distribution techniques Practical Applications and Case Studies: - Digital electronics in embedded systems - Industrial automation and control - Digital communication systems - Sample real-world project implementations Features You'll Love: - Adaptive Quizzes: Questions tailored to your skill level, ensuring a personalized learning experience. - Detailed Explanations: Learn as you go with in-depth answers and references. - Timed Challenges: Test your speed and accuracy under time pressure for an extra thrill. - Progress Tracking: Keep tabs on your improvement with detailed analytics and reports. - User-Friendly Design: Intuitive interface for smooth navigation and focus. Who is it for? - Digital Electronics students preparing for exams. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of Digital Electronics. Download now and make learning Digital Electronics enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/DigitalElectronics/privacy-policy

About

OhmQuest

Features
Read full description

OhmQuest turns abstract middle-school electricity into interactive buildable, runnable, observable simulation labs for students, parent-child study and electronics fans. 100 progressive challenge levels let you build circuits and observe phenomena to master current, voltage, resistance, heat and electromagnetism. 200 exam exercises require real circuit operation before answering, stopping rote memorization. Free sandbox mode with power supplies, meters, motors and electromagnetic parts. Adjust parameters and view formulas instantly to recreate textbook circuits anytime. No account, no ads, no data tracking; all progress saves locally. For educational use only, not professional electrical engineering. Subject to Apple’s Standard EULA. Apple Standard EULA:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Digital Electronics+4 screens
OhmQuest4 screens

Verdict

The call

The clearest difference is update cadence: OhmQuest at every 10 days against Digital Electronics+'s every 6 months. OhmQuest also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Digital Electronics+ sells 6 in-app purchases, starting at $9.99 per month and OhmQuest sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Digital Electronics+ ships an update every 6 months, OhmQuest every 10 days. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

Scorecard2 real differences Β· 4 level
Digital Electronics+ versus OhmQuest: the parameters behind the verdict, then further details
ParameterDigital Electronics+OhmQuest
PriceFreeFree
Update frequencyEvery 6 monthsEvery 10 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.0 β€” better
Further details β€” not scored
Size24 MB21 MB
Age rating4+4+
DeveloperForwa Elade Wundeε»ΊθΆ… ε΄”

In-app purchases

6 purchases

Digital Electronics+

Subscriptions3
  • 1 Month$9.991 Month
  • 6 Months$19.996 Months
  • 1 Year$29.991 Year
One-time3
  • 1500$0.99
  • 3500$1.99
  • 9000$3.99
1 purchases

OhmQuest

One-time1
  • OhmQuest Full Access$1.99

Questions

Is Digital Electronics+ free?
Digital Electronics+ is free to download, with in-app purchases available.
Is OhmQuest free?
OhmQuest is free to download, with in-app purchases available.
Do Digital Electronics+ or OhmQuest have ads?
Neither Digital Electronics+ nor OhmQuest shows ads.
Which is updated more often, Digital Electronics+ or OhmQuest?
Digital Electronics+ ships an update every 6 months, and OhmQuest every 10 days. Most recently, Digital Electronics+ was updated on September 11, 2026 and OhmQuest on September 14, 2026.

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